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Finding the Fourth Proportional to 307,300.41, 460,925.96 and 104,879.21

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Solution

The fourth proportional to 307,300.41, 460,925.96 and 104,879.21 is: 157,310.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,300.41 : 460,925.96 = 104,879.21 : x
  2. Step 2: Convert to fraction form
    307,300.41/460,925.96 = 104,879.21/x
  3. Step 3: Cross multiply
    307,300.41x = 460,925.96 × 104,879.21
  4. Step 4: Simplify right side
    307,300.41x = 48,341,547,724.27
  5. Step 5: Solve for x
    x = 48,341,547,724.27/307,300.41
  6. Step 6: Final answer
    x = 157,310.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.